michael@0: #!/bin/bash
michael@0: 
michael@0: # Copyright (c) 2012 The Chromium Authors. All rights reserved.
michael@0: # Use of this source code is governed by a BSD-style license that can be
michael@0: # found in the LICENSE file.
michael@0: 
michael@0: # Defines functions for envsetup.sh which sets up environment for building
michael@0: # Chromium on Android.  The build can be either use the Android NDK/SDK or
michael@0: # android source tree.  Each has a unique init function which calls functions
michael@0: # prefixed with "common_" that is common for both environment setups.
michael@0: 
michael@0: ################################################################################
michael@0: # Check to make sure the toolchain exists for the NDK version.
michael@0: ################################################################################
michael@0: common_check_toolchain() {
michael@0:   if [[ ! -d "${ANDROID_TOOLCHAIN}" ]]; then
michael@0:     echo "Can not find Android toolchain in ${ANDROID_TOOLCHAIN}." >& 2
michael@0:     echo "The NDK version might be wrong." >& 2
michael@0:     return 1
michael@0:   fi
michael@0: }
michael@0: 
michael@0: ################################################################################
michael@0: # Exports environment variables common to both sdk and non-sdk build (e.g. PATH)
michael@0: # based on CHROME_SRC and ANDROID_TOOLCHAIN, along with DEFINES for GYP_DEFINES.
michael@0: ################################################################################
michael@0: common_vars_defines() {
michael@0: 
michael@0:   # Set toolchain path according to product architecture.
michael@0:   toolchain_arch="arm-linux-androideabi"
michael@0:   if [[ "${TARGET_PRODUCT}" =~ .*x86.* ]]; then
michael@0:     toolchain_arch="x86"
michael@0:   fi
michael@0: 
michael@0:   toolchain_version="4.6"
michael@0:   toolchain_target=$(basename \
michael@0:     ${ANDROID_NDK_ROOT}/toolchains/${toolchain_arch}-${toolchain_version})
michael@0:   toolchain_path="${ANDROID_NDK_ROOT}/toolchains/${toolchain_target}"\
michael@0: "/prebuilt/${toolchain_dir}/bin/"
michael@0: 
michael@0:   # Set only if not already set.
michael@0:   # Don't override ANDROID_TOOLCHAIN if set by Android configuration env.
michael@0:   export ANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN:-${toolchain_path}}
michael@0: 
michael@0:   common_check_toolchain
michael@0: 
michael@0:   # Add Android SDK/NDK tools to system path.
michael@0:   export PATH=$PATH:${ANDROID_NDK_ROOT}
michael@0:   export PATH=$PATH:${ANDROID_SDK_ROOT}/tools
michael@0:   export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools
michael@0: 
michael@0:   # This must be set before ANDROID_TOOLCHAIN, so that clang could find the
michael@0:   # gold linker.
michael@0:   # TODO(michaelbai): Remove this path once the gold linker become the default
michael@0:   # linker.
michael@0:   export PATH=$PATH:${CHROME_SRC}/build/android/${toolchain_arch}-gold
michael@0: 
michael@0:   # Must have tools like arm-linux-androideabi-gcc on the path for ninja
michael@0:   export PATH=$PATH:${ANDROID_TOOLCHAIN}
michael@0: 
michael@0:   # Add Chromium Android development scripts to system path.
michael@0:   # Must be after CHROME_SRC is set.
michael@0:   export PATH=$PATH:${CHROME_SRC}/build/android
michael@0: 
michael@0:   # TODO(beverloo): Remove these once all consumers updated to --strip-binary.
michael@0:   export OBJCOPY=$(echo ${ANDROID_TOOLCHAIN}/*-objcopy)
michael@0:   export STRIP=$(echo ${ANDROID_TOOLCHAIN}/*-strip)
michael@0: 
michael@0:   # The set of GYP_DEFINES to pass to gyp. Use 'readlink -e' on directories
michael@0:   # to canonicalize them (remove double '/', remove trailing '/', etc).
michael@0:   DEFINES="OS=android"
michael@0:   DEFINES+=" host_os=${host_os}"
michael@0: 
michael@0:   if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
michael@0:     DEFINES+=" branding=Chrome"
michael@0:     DEFINES+=" buildtype=Official"
michael@0: 
michael@0:     # These defines are used by various chrome build scripts to tag the binary's
michael@0:     # version string as 'official' in linux builds (e.g. in
michael@0:     # chrome/trunk/src/chrome/tools/build/version.py).
michael@0:     export OFFICIAL_BUILD=1
michael@0:     export CHROMIUM_BUILD="_google_chrome"
michael@0:     export CHROME_BUILD_TYPE="_official"
michael@0: 
michael@0:     # Used by chrome_version_info_posix.cc to display the channel name.
michael@0:     # Valid values: "unstable", "stable", "dev", "beta".
michael@0:     export CHROME_VERSION_EXTRA="beta"
michael@0:   fi
michael@0: 
michael@0:   # The order file specifies the order of symbols in the .text section of the
michael@0:   # shared library, libchromeview.so.  The file is an order list of section
michael@0:   # names and the library is linked with option
michael@0:   # --section-ordering-file=<orderfile>. The order file is updated by profiling
michael@0:   # startup after compiling with the order_profiling=1 GYP_DEFINES flag.
michael@0:   ORDER_DEFINES="order_text_section=${CHROME_SRC}/orderfiles/orderfile.out"
michael@0: 
michael@0:   # The following defines will affect ARM code generation of both C/C++ compiler
michael@0:   # and V8 mksnapshot.
michael@0:   case "${TARGET_PRODUCT}" in
michael@0:     "passion"|"soju"|"sojua"|"sojus"|"yakju"|"mysid"|"nakasi")
michael@0:       DEFINES+=" arm_neon=1 armv7=1 arm_thumb=1"
michael@0:       DEFINES+=" ${ORDER_DEFINES}"
michael@0:       TARGET_ARCH="arm"
michael@0:       ;;
michael@0:     "trygon"|"tervigon")
michael@0:       DEFINES+=" arm_neon=0 armv7=1 arm_thumb=1 arm_fpu=vfpv3-d16"
michael@0:       DEFINES+=" ${ORDER_DEFINES}"
michael@0:       TARGET_ARCH="arm"
michael@0:       ;;
michael@0:     "full")
michael@0:       DEFINES+=" arm_neon=0 armv7=0 arm_thumb=1 arm_fpu=vfp"
michael@0:       TARGET_ARCH="arm"
michael@0:       ;;
michael@0:     *x86*)
michael@0:     # TODO(tedbo): The ia32 build fails on ffmpeg, so we disable it here.
michael@0:       DEFINES+=" use_libffmpeg=0"
michael@0: 
michael@0:       host_arch=$(uname -m | sed -e \
michael@0:         's/i.86/ia32/;s/x86_64/x64/;s/amd64/x64/;s/arm.*/arm/;s/i86pc/ia32/')
michael@0:       DEFINES+=" host_arch=${host_arch}"
michael@0:       TARGET_ARCH="x86"
michael@0:       ;;
michael@0:     *)
michael@0:       echo "TARGET_PRODUCT: ${TARGET_PRODUCT} is not supported." >& 2
michael@0:       return 1
michael@0:   esac
michael@0: 
michael@0:   case "${TARGET_ARCH}" in
michael@0:     "arm")
michael@0:       DEFINES+=" target_arch=arm"
michael@0:       ;;
michael@0:     "x86")
michael@0:       DEFINES+=" target_arch=ia32"
michael@0:       ;;
michael@0:     *)
michael@0:       echo "TARGET_ARCH: ${TARGET_ARCH} is not supported." >& 2
michael@0:       return 1
michael@0:   esac
michael@0: 
michael@0:   DEFINES+=" android_gdbserver=${ANDROID_NDK_ROOT}/prebuilt/\
michael@0: android-${TARGET_ARCH}/gdbserver/gdbserver"
michael@0: }
michael@0: 
michael@0: 
michael@0: ################################################################################
michael@0: # Exports common GYP variables based on variable DEFINES and CHROME_SRC.
michael@0: ################################################################################
michael@0: common_gyp_vars() {
michael@0:   export GYP_DEFINES="${DEFINES}"
michael@0: 
michael@0:   # Set GYP_GENERATORS to make-android if it's currently unset or null.
michael@0:   export GYP_GENERATORS="${GYP_GENERATORS:-make-android}"
michael@0: 
michael@0:   # Use our All target as the default
michael@0:   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
michael@0: 
michael@0:   # We want to use our version of "all" targets.
michael@0:   export CHROMIUM_GYP_FILE="${CHROME_SRC}/build/all_android.gyp"
michael@0: }
michael@0: 
michael@0: 
michael@0: ################################################################################
michael@0: # Initializes environment variables for NDK/SDK build. Only Android NDK Revision
michael@0: # 7 on Linux or Mac is offically supported. To run this script, the system
michael@0: # environment ANDROID_NDK_ROOT must be set to Android NDK's root path.  The
michael@0: # ANDROID_SDK_ROOT only needs to be set to override the default SDK which is in
michael@0: # the tree under $ROOT/src/third_party/android_tools/sdk.
michael@0: # TODO(navabi): Add NDK to $ROOT/src/third_party/android_tools/ndk.
michael@0: # To build Chromium for Android with NDK/SDK follow the steps below:
michael@0: #  > export ANDROID_NDK_ROOT=<android ndk root>
michael@0: #  > export ANDROID_SDK_ROOT=<android sdk root> # to override the default sdk
michael@0: #  > . build/android/envsetup.sh --sdk
michael@0: #  > make
michael@0: ################################################################################
michael@0: sdk_build_init() {
michael@0:   # If ANDROID_NDK_ROOT is set when envsetup is run, use the ndk pointed to by
michael@0:   # the environment variable.  Otherwise, use the default ndk from the tree.
michael@0:   if [[ -z "${ANDROID_NDK_ROOT}" || ! -d "${ANDROID_NDK_ROOT}" ]]; then
michael@0:     export ANDROID_NDK_ROOT="${CHROME_SRC}/third_party/android_tools/ndk/"
michael@0:   fi
michael@0: 
michael@0:   # If ANDROID_SDK_ROOT is set when envsetup is run, and if it has the
michael@0:   # right SDK-compatible directory layout, use the sdk pointed to by the
michael@0:   # environment variable.  Otherwise, use the default sdk from the tree.
michael@0:   local sdk_suffix=platforms/android-${ANDROID_SDK_VERSION}
michael@0:   if [[ -z "${ANDROID_SDK_ROOT}" || \
michael@0:        ! -d "${ANDROID_SDK_ROOT}/${sdk_suffix}" ]]; then
michael@0:     export ANDROID_SDK_ROOT="${CHROME_SRC}/third_party/android_tools/sdk/"
michael@0:   fi
michael@0: 
michael@0:   # Makes sure ANDROID_BUILD_TOP is unset if build has option --sdk
michael@0:   unset ANDROID_BUILD_TOP
michael@0: 
michael@0:   # Set default target.
michael@0:   export TARGET_PRODUCT="${TARGET_PRODUCT:-trygon}"
michael@0: 
michael@0:   # Unset toolchain so that it can be set based on TARGET_PRODUCT.
michael@0:   # This makes it easy to switch between architectures.
michael@0:   unset ANDROID_TOOLCHAIN
michael@0: 
michael@0:   common_vars_defines
michael@0: 
michael@0:   DEFINES+=" sdk_build=1"
michael@0:   # If we are building NDK/SDK, and in the upstream (open source) tree,
michael@0:   # define a special variable for bringup purposes.
michael@0:   case "${ANDROID_BUILD_TOP-undefined}" in
michael@0:     "undefined")
michael@0:       DEFINES+=" android_upstream_bringup=1"
michael@0:       ;;
michael@0:   esac
michael@0: 
michael@0:   # Sets android specific directories to NOT_SDK_COMPLIANT.  This will allow
michael@0:   # android_gyp to generate make files, but will cause errors when (and only
michael@0:   # when) building targets that depend on these directories.
michael@0:   DEFINES+=" android_src='NOT_SDK_COMPLIANT'"
michael@0:   DEFINES+=" android_product_out=${CHROME_SRC}/out/android"
michael@0:   DEFINES+=" android_lib='NOT_SDK_COMPLIANT'"
michael@0:   DEFINES+=" android_static_lib='NOT_SDK_COMPLIANT'"
michael@0:   DEFINES+=" android_sdk=${ANDROID_SDK_ROOT}/${sdk_suffix}"
michael@0:   DEFINES+=" android_sdk_root=${ANDROID_SDK_ROOT}"
michael@0:   DEFINES+=" android_sdk_tools=${ANDROID_SDK_ROOT}/platform-tools"
michael@0:   DEFINES+=" android_sdk_version=${ANDROID_SDK_VERSION}"
michael@0:   DEFINES+=" android_toolchain=${ANDROID_TOOLCHAIN}"
michael@0: 
michael@0:   common_gyp_vars
michael@0: 
michael@0:   if [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
michael@0:     # Can not build WebView with NDK/SDK because it needs the Android build
michael@0:     # system and build inside an Android source tree.
michael@0:     echo "Can not build WebView with NDK/SDK.  Requires android source tree." \
michael@0:         >& 2
michael@0:     echo "Try . build/android/envsetup.sh instead." >& 2
michael@0:     return 1
michael@0:   fi
michael@0: 
michael@0: }
michael@0: 
michael@0: ################################################################################
michael@0: # Initializes environment variables for build with android source.  This expects
michael@0: # android environment to be set up along with lunch.  To build:
michael@0: #  > . build/envsetup.sh
michael@0: #  >  lunch <lunch-type>
michael@0: #  > . build/android/envsetup.sh
michael@0: #  > make
michael@0: #############################################################################
michael@0: non_sdk_build_init() {
michael@0:   # We export "TOP" here so that "mmm" can be run to build Java code without
michael@0:   # having to cd to $ANDROID_BUILD_TOP.
michael@0:   export TOP="$ANDROID_BUILD_TOP"
michael@0: 
michael@0:   # Set "ANDROID_NDK_ROOT" as checked-in version, if it was not set.
michael@0:   if [[ "${ANDROID_NDK_ROOT}" || ! -d "$ANDROID_NDK_ROOT" ]] ; then
michael@0:     export ANDROID_NDK_ROOT="${CHROME_SRC}/third_party/android_tools/ndk/"
michael@0:   fi
michael@0:   if [[ ! -d "${ANDROID_NDK_ROOT}" ]] ; then
michael@0:     echo "Can not find Android NDK root ${ANDROID_NDK_ROOT}." >& 2
michael@0:     return 1
michael@0:   fi
michael@0: 
michael@0:   # We export "ANDROID_SDK_ROOT" for building Java source with the SDK.
michael@0:   export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
michael@0: ${ANDROID_SDK_VERSION}
michael@0:   # Needed by android antfiles when creating apks.
michael@0:   export ANDROID_SDK_HOME=${ANDROID_SDK_ROOT}
michael@0: 
michael@0:   # Unset ANDROID_TOOLCHAIN, so it could be set to checked-in 64-bit toolchain.
michael@0:   # in common_vars_defines
michael@0:   unset ANDROID_TOOLCHAIN
michael@0: 
michael@0:   common_vars_defines
michael@0: 
michael@0:   DEFINES+=" sdk_build=0"
michael@0:   DEFINES+=" android_product_out=${ANDROID_PRODUCT_OUT}"
michael@0: 
michael@0:   if [[ -n "$CHROME_ANDROID_BUILD_WEBVIEW" ]]; then
michael@0:     webview_build_init
michael@0:     return
michael@0:   fi
michael@0: 
michael@0:   # The non-SDK build currently requires the SDK path to build the framework
michael@0:   # Java aidl files. TODO(steveblock): Investigate avoiding this requirement.
michael@0:   DEFINES+=" android_sdk=${ANDROID_SDK_ROOT}"
michael@0:   DEFINES+=" android_sdk_root=${ANDROID_SDK_ROOT}"
michael@0:   DEFINES+=" android_sdk_tools=${ANDROID_SDK_ROOT}/../tools/linux"
michael@0:   DEFINES+=" android_sdk_version=${ANDROID_SDK_VERSION}"
michael@0:   DEFINES+=" android_toolchain=${ANDROID_TOOLCHAIN}"
michael@0: 
michael@0:   common_gyp_vars
michael@0: }
michael@0: 
michael@0: ################################################################################
michael@0: # To build WebView, we use the Android build system and build inside an Android
michael@0: # source tree. This method is called from non_sdk_build_init() and adds to the
michael@0: # settings specified there.
michael@0: #############################################################################
michael@0: webview_build_init() {
michael@0:   # For the WebView build we always use the NDK and SDK in the Android tree,
michael@0:   # and we don't touch ANDROID_TOOLCHAIN which is already set by Android.
michael@0:   export ANDROID_NDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/ndk/8
michael@0:   export ANDROID_SDK_ROOT=${ANDROID_BUILD_TOP}/prebuilts/sdk/\
michael@0: ${ANDROID_SDK_VERSION}
michael@0: 
michael@0:   common_vars_defines
michael@0: 
michael@0:   # We need to supply SDK paths relative to the top of the Android tree to make
michael@0:   # sure the generated Android makefiles are portable, as they will be checked
michael@0:   # into the Android tree.
michael@0:   ANDROID_SDK=$(python -c \
michael@0:       "import os.path; print os.path.relpath('${ANDROID_SDK_ROOT}', \
michael@0:       '${ANDROID_BUILD_TOP}')")
michael@0:   ANDROID_SDK_TOOLS=$(python -c \
michael@0:       "import os.path; \
michael@0:       print os.path.relpath('${ANDROID_SDK_ROOT}/../tools/linux', \
michael@0:       '${ANDROID_BUILD_TOP}')")
michael@0:   DEFINES+=" android_build_type=1"
michael@0:   DEFINES+=" sdk_build=0"
michael@0:   DEFINES+=" android_src=\$(GYP_ABS_ANDROID_TOP_DIR)"
michael@0:   DEFINES+=" android_product_out=NOT_USED_ON_WEBVIEW"
michael@0:   DEFINES+=" android_upstream_bringup=1"
michael@0:   DEFINES+=" android_sdk=\$(GYP_ABS_ANDROID_TOP_DIR)/${ANDROID_SDK}"
michael@0:   DEFINES+=" android_sdk_root=\$(GYP_ABS_ANDROID_TOP_DIR)/${ANDROID_SDK}"
michael@0:   DEFINES+=" android_sdk_tools=\$(GYP_ABS_ANDROID_TOP_DIR)/${ANDROID_SDK_TOOLS}"
michael@0:   DEFINES+=" android_sdk_version=${ANDROID_SDK_VERSION}"
michael@0:   DEFINES+=" android_toolchain=${ANDROID_TOOLCHAIN}"
michael@0:   export GYP_DEFINES="${DEFINES}"
michael@0: 
michael@0:   export GYP_GENERATORS="android"
michael@0: 
michael@0:   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} default_target=All"
michael@0:   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} limit_to_target_all=1"
michael@0:   export GYP_GENERATOR_FLAGS="${GYP_GENERATOR_FLAGS} auto_regeneration=0"
michael@0: 
michael@0:   export CHROMIUM_GYP_FILE="${CHROME_SRC}/android_webview/all_webview.gyp"
michael@0: }